APA (7th ed.) Citation

Duffy, S., & Fagin, G. M. (1984). Vatican II: Open questions and new horizons. Theology and life series.

Chicago Style (17th ed.) Citation

Duffy, Stephen, and Gerald M. Fagin. "Vatican II: Open Questions and New Horizons." Theology and Life Series 1984.

MLA (8th ed.) Citation

Duffy, Stephen, and Gerald M. Fagin. "Vatican II: Open Questions and New Horizons." Theology and Life Series, 1984.

Warning: These citations may not always be 100% accurate.